<template>
    <div id="aCoursesList" class="bg-fa of">
        <!-- /课程详情 开始 -->
        <section class="container">
            <section class="path-wrap txtOf hLh30">
                <a href="/" title class="c-999 fsize14">首页</a>
                \
                <a href="/course" title class="c-999 fsize14">{{
                    course.subjectLevelOne
                    }}</a>
                \
                <span class="c-333 fsize14">{{ course.subjectLevelTwo }}</span>
            </section>
            <div>
                <article class="c-v-pic-wrap" style="height: 357px">
                    <section class="p-h-video-box" id="videoPlay">
                        <img
                             :src="course.cover"
                             :alt="course.title"
                             class="dis c-v-pic"
                             height="355px"
                             width="630px"
                             />
                    </section>
                </article>
                <aside class="c-attr-wrap">
                    <section class="ml20 mr15">
                        <h2 class="hLh30 txtOf mt15">
                            <span class="c-fff fsize24">{{ course.title }}</span>
                        </h2>
                        <section class="c-attr-jg">
                            <span class="c-fff">价格：</span>
                            <b v-if="isbuyCourse===false||Number(course.price) === 0" class="c-yellow" style="font-size: 24px"
                               >￥{{ course.price }}</b
                                >
                             <b v-else class="c-yellow" style="font-size: 24px"
                               >您 已 完 成 购 买</b
                                >
                        </section>
                        <section class="c-attr-mt c-attr-undis">
                            <span class="c-fff fsize14"
                                  >主讲： {{ course.teacherName }}&nbsp;&nbsp;&nbsp;</span
                                >
                        </section>
                        <section class="c-attr-mt of">
                            <span class="ml10 vam">
                                <em class="icon18 scIcon"></em>
                                <a class="c-fff vam" title="收藏" href="#">收藏</a>
                            </span>
                        </section>
                        <section class="c-attr-mt">
                            <a v-if="isbuyCourse||Number(course.price) === 0" :href="'/player/'+videoId" target="_blank" title="立即观看" class="comm-btn c-btn-3"
                               >立 即 观 看</a>
                            <a v-else href="#" @click="createOrders()" class="comm-btn c-btn-3"
                               >立 即 购 买</a>
                        </section>
                    </section>
                </aside>
                <aside class="thr-attr-box">
                    <ol class="thr-attr-ol clearfix">
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">销量</span>
                                <br />
                                <h6 class="c-fff f-fM mt10">{{ course.buyCount }}</h6>
                            </aside>
                        </li>
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">课时数</span>
                                <br />
                                <h6 class="c-fff f-fM mt10">{{ course.lessonNum }}</h6>
                            </aside>
                        </li>
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">浏览数</span>
                                <br />
                                <h6 class="c-fff f-fM mt10">{{ course.viewCount }}</h6>
                            </aside>
                        </li>
                    </ol>
                </aside>
                <div class="clear"></div>
            </div>
            <!-- /课程封面介绍 -->
            <div class="mt20 c-infor-box">
                <article class="fl col-7">
                    <section class="mr30">
                        <div class="i-box">
                            <div>
                                <section
                                         id="c-i-tabTitle"
                                         class="c-infor-tabTitle c-tab- title"
                                         >
                                    <a name="c-i" class="current" title="课程详情">课 程 详 情</a>
                                </section>
                            </div>
                            <article class="ml10 mr10 pt20">
                                <div>
                                    <h6 class="c-i-content c-infor-title">
                                        <span>课程介绍</span>
                                    </h6>
                                    <div class="course-txt-body-wrap">
                                        <section class="course-txt-body">
                                            <p v-html="course.description">
                                                {{ course.description }}
                                            </p>
                                        </section>
                                    </div>
                                </div>
                                <!-- /课程介绍 -->
                                <div class="mt50">
                                    <h6 class="c-g-content c-infor-title">
                                        <span>课程大纲</span>
                                    </h6>
                                    <section class="mt20">
                                        <div class="lh-menu-wrap">
                                            <menu id="lh-menu" class="lh-menu mt10 mr10">
                                                <ul>
                                                    <!-- 文件目录 -->
                                                    <li class="lh-menu-stair" v-for="chapter in chapterList" :key="chapter.id">
                                                        <a
                                                           href="javascript: void(0)"
                                                           :title="chapter.title"
                                                           class="current-1"
                                                           >
                                                            <em class="lh-menu-i-1 icon18 mr10"></em>{{chapter.title}}
                                                        </a>
                                                        <ol class="lh-menu-ol" style="display: block">
                                                            <li class="lh-menu-second ml30" v-for="video in chapter.children" :key="video.id">
                                                                <a v-if="isbuyCourse||Number(course.price) === 0" :href="'/player/'+video.videoSourceId" target="_brank">
                                                                    <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em
                                                                        >{{video.title}}
                                                                </a>
                                                                <a v-else @click="panduan()" href="javascript:void(0);">
                                                                    <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em
                                                                        >{{video.title}}
                                                                </a>
                                                            </li>
                                                        </ol>
                                                    </li>
                                                </ul>
                                            </menu>
                                        </div>
                                    </section>
                                </div>
                                <!-- /课程大纲 -->
                            </article>
                        </div>
                    </section>
                </article>
                <aside class="fl col-3">
                    <div class="i-box">
                        <div>
                            <section class="c-infor-tabTitle c-tab-title">
                                <a title href="javascript:void(0)">主讲讲师</a>
                            </section>
                            <section class="stud-act-list">
                                <ul style="height: auto">
                                    <li>
                                        <div class="u-face">
                                            <a :href="'/teacher/'+course.teacherId">
                                                <img
                                                     :src="course.avatar"
                                                     width="50"
                                                     height="50"
                                                     alt
                                                     />
                                            </a>
                                        </div>
                                        <section class="hLh30 txtOf">
                                            <a class="c-333 fsize16 fl" :href="'/teacher/'+course.teacherId">{{course.teacherName}}</a>
                                        </section>
                                        <section class="hLh20 txtOf">
                                            <span class="c-999">{{course.intro}}</span>
                                        </section>
                                    </li>
                                </ul>
                            </section>
                        </div>
                    </div>
                </aside>
                <div class="clear"></div>
            </div>
        </section>
        <!-- /课程详情 结束 -->
        <div class="mt50 commentHtml">
    <div>
        <h6 class="c-c-content c-infor-title" id="i-art-comment">
            <span class="commentTitle">课程评论</span>
        </h6>
        <section class="lh-bj-list pr mt20 replyhtml">
            <ul>
                <li class="unBr">
                    <aside class="noter-pic">
                        <img
                             width="50"
                             height="50"
                             class="picImg"
                             src="~/assets/img/avatar-boy.gif"
                             />
                    </aside>
                    <div class="of">
                        <section class="n-reply-wrap">
                            <fieldset>
                                <textarea
                                          name=""
                                          v-model="comment.content"
                                          placeholder="输入您要评论的文字"
                                          id="commentContent"
                                          ></textarea>
                            </fieldset>
                            <p class="of mt5 tar pl10 pr10">
                                <span class="fl"
                                      ><tt
                                           class="c-red commentContentmeg"
                                           style="display: none"
                                           ></tt
                                    ></span>
                                <input
                                       type="button"
                                       @click="addComment()"
                                       value="回复"
                                       class="lh-reply-btn"
                                       />
                            </p>
                        </section>
                    </div>
                </li>
            </ul>
        </section>
        <section class="">
            <section class="question-list lh-bj-list pr">
                <ul class="pr10">
                    <li v-for="comment in data.list" :key="comment.id">
                        <aside class="noter-pic">
                            <img
                                 width="50"
                                 height="50"
                                 class="picImg"
                                 :src="comment.avatar"
                                 />
                        </aside>
                        <div class="of">
                            <span class="fl">
                                <font class="fsize12 c-blue">{{ comment.nickname }}</font>
                                <font class="fsize12 c-999 ml5">评论：</font></span
                                >
                        </div>
                        <div class="noter-txt mt5">
                            <p>{{ comment.content }}</p>
                        </div>
                        <div class="of mt5">
                            <span class="fr"
                                  ><font class="fsize12 c-999ml5">{{
                                comment.gmtCreate
                                }}</font></span
                                >
                        </div>
                    </li>
                </ul>
            </section>
        </section>
        <!-- 公共分页 开始 -->
        <div class="paging">
            <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
            <a
               :class="{ undisable: !data.hasPrevious }"
               href="#"
               title="首页"
               @click.prevent="gotoPage(1)"
               >首</a
                >
            <a
               :class="{ undisable: !data.hasPrevious }"
               href="#"
               title="前一页"
               @click.prevent="gotoPage(data.current - 1)"
               >&lt;</a
                >
            <a
               v-for="page in data.pages"
               :key="page"
               :class="{
                       current: data.current == page,
                       undisable: data.current == page,
                       }"
               :title="'第' + page + '页'"
               href="#"
               @click.prevent="gotoPage(page)"
               >{{ page }}</a
                >
            <a
               :class="{ undisable: !data.hasNext }"
               href="#"
               title="后一页"
               @click.prevent="gotoPage(data.current + 1)"
               >&gt;</a
                >
            <a
               :class="{ undisable: !data.hasNext }"
               href="#"
               title="末页"
               @click.prevent="gotoPage(data.pages)"
               >末</a
                >
            <div class="clear" />
        </div>
        <!-- 公共分页 结束 -->
    </div>
</div>

    </div>
</template>

<script>
import courseApi from "@/api/course";
import comment from "@/api/commonedu";
import orderApi from "@/api/order"
import cookie from "js-cookie";

export default {
    methods: {
        //获取课程详细信息
        getCourseInfo() {
            courseApi.getFrontCourseInfo(this.course.id).then((resp) => {
                this.chapterList = resp.data.data.chapterVideoList;
                this.videoId=resp.data.data.chapterVideoList[0].children[0].videoSourceId;
                this.course = resp.data.data.courseWebVo;
                this.isbuyCourse=resp.data.data.isBuy
            });
        },
        initComment() {
      comment
        .getPageList(this.page, this.limit, this.course.id)
        .then((response) => {
          this.data = response.data.data;
          console.log(response.data.data);
        });
    },
    addComment() {
      this.comment.courseId = this.course.id;
      this.comment.teacherId = this.course.teacherId;
      //从cookie中获取信息
        var userStr =cookie.get("guli_ucenter");
        //转字符串转换成json对象(js对象)
        if (userStr) {
      comment.addComment(this.comment).then((response) => {
        if (response.data.success) {
          this.$message({
            message: "评论成功",
            type: "success",
          });
          this.comment.content = "";
          this.initComment();
        }
      });
    }else{
         this.$message({
            message: "请您先登录!",
            type: "error",
          });
    }
    },
    gotoPage(page) {
      comment.getPageList(page, this.limit, this.course.id).then((response) => {
        this.data = response.data.data;
      });
    },
    //生成订单的方法
    createOrders(){
        //从cookie中获取信息
        var userStr =cookie.get("guli_ucenter");
        //转字符串转换成json对象(js对象)
        if (userStr) {
            orderApi.createOrder(this.course.id).then(resp=>{
            //获取返回订单号
            //跳转订单显示页面
            this.$router.push({path:'/orders/'+resp.data.data.orderNo})
        })
        }else{
             this.$message({
            message: "请您先登录!",
            type: "error",
          });
        }
        
    },
    panduan(){
            this.$message({
            message: "请您先购买再进行观看!",
            type: "warning",
          });
    }
    },
    
    data() {
        return {
            chapterList: [],
            course: {
                id: "",
            },
            data: {},
            page: 1,
            limit: 4,
            total: 10,
            comment: {
                content: "",
                courseId: "",
                teacherId: "",
            },
            videoId:"",
            isbuyCourse: false,
        };
    },
    created() {
        this.course.id = this.$route.params.id;
        //获取课程详细信息
        this.getCourseInfo();
        this.initComment();
    },
};
</script>
